title: Happy birthday, Claude Bernard.
authors.affiliation: European Association for the Study of Diabetes, Düsseldorf, Germany.
authors.forename: Viktor
authors.initials: V
authors.lastname: Jörgens
authors.forename: Monika
authors.initials: M
authors.lastname: Grüsser
mesh_terms: D003920:Diabetes Mellitus / Q000266:history; D005602:France; D049672:History, 19th Century; D006801:Humans; D010827:Physiology / Q000266:history*